HUMBOLDT CSI

Humboldt CSI – Cannabis Seed Breeder

Humboldt CSI (also operating as CSI Humboldt) is a highly respected, legacy cannabis breeding company based in Humboldt County, California. Led by a breeder known as Caleb (or Nspecta), the company specializes in preserving and crossing heirloom, clone-only, and old-school “legacy” genetics. They are best known in the growing community for their work with authentic Chemdog, Triangle Kush, and classic purple lines